corrade-vassal – Blame information for rev 1

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1 vero 1 /*
2 * Copyright (c) 2005, Herve Drolon, FreeImage Team
3 * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
27 #ifndef __OPJ_MALLOC_H
28 #define __OPJ_MALLOC_H
29 /**
30 @file opj_malloc.h
31 @brief Internal functions
32  
33 The functions in opj_malloc.h are internal utilities used for memory management.
34 */
35  
36 /** @defgroup MISC MISC - Miscellaneous internal functions */
37 /*@{*/
38  
39 /** @name Exported functions */
40 /*@{*/
41 /* ----------------------------------------------------------------------- */
42  
43 /**
44 Allocate an uninitialized memory block
45 @param size Bytes to allocate
46 @return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
47 */
48 #ifdef ALLOC_PERF_OPT
49 void * OPJ_CALLCONV opj_malloc(size_t size);
50 #else
51 #define opj_malloc(size) malloc(size)
52 #endif
53  
54 /**
55 Allocate a memory block with elements initialized to 0
56 @param num Blocks to allocate
57 @param size Bytes per block to allocate
58 @return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
59 */
60 #ifdef ALLOC_PERF_OPT
61 void * OPJ_CALLCONV opj_calloc(size_t _NumOfElements, size_t _SizeOfElements);
62 #else
63 #define opj_calloc(num, size) calloc(num, size)
64 #endif
65  
66 /**
67 Allocate memory aligned to a 16 byte boundry
68 @param size Bytes to allocate
69 @return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
70 */
71 /* FIXME: These should be set with cmake tests, but we're currently not requiring use of cmake */
72 #ifdef _WIN32
73 /* Someone should tell the mingw people that their malloc.h ought to provide _mm_malloc() */
74 #ifdef __GNUC__
75 #include <mm_malloc.h>
76 #define HAVE_MM_MALLOC
77 #else /* MSVC, Intel C++ */
78 #include <malloc.h>
79 #ifdef _mm_malloc
80 #define HAVE_MM_MALLOC
81 #endif
82 #endif
83 #else /* Not _WIN32 */
84 #if defined(__sun)
85 #define HAVE_MEMALIGN
86 /* Linux x86_64 and OSX always align allocations to 16 bytes */
87 #elif !defined(__amd64__) && !defined(__APPLE__)
88 #define HAVE_MEMALIGN
89 #include <malloc.h>
90 #endif
91 #endif
92  
93 #define opj_aligned_malloc(size) malloc(size)
94 #define opj_aligned_free(m) free(m)
95  
96 #ifdef HAVE_MM_MALLOC
97 #undef opj_aligned_malloc
98 #define opj_aligned_malloc(size) _mm_malloc(size, 16)
99 #undef opj_aligned_free
100 #define opj_aligned_free(m) _mm_free(m)
101 #endif
102  
103 #ifdef HAVE_MEMALIGN
104 extern void* memalign(size_t, size_t);
105 #undef opj_aligned_malloc
106 #define opj_aligned_malloc(size) memalign(16, (size))
107 #undef opj_aligned_free
108 #define opj_aligned_free(m) free(m)
109 #endif
110  
111 #ifdef HAVE_POSIX_MEMALIGN
112 #undef opj_aligned_malloc
113 extern int posix_memalign(void**, size_t, size_t);
114  
115 static INLINE void* __attribute__ ((malloc)) opj_aligned_malloc(size_t size){
116 void* mem = NULL;
117 posix_memalign(&mem, 16, size);
118 return mem;
119 }
120 #undef opj_aligned_free
121 #define opj_aligned_free(m) free(m)
122 #endif
123  
124 #ifdef ALLOC_PERF_OPT
125 #undef opj_aligned_malloc
126 #define opj_aligned_malloc(size) opj_malloc(size)
127 #undef opj_aligned_free
128 #define opj_aligned_free(m) opj_free(m)
129 #endif
130  
131 /**
132 Reallocate memory blocks.
133 @param m Pointer to previously allocated memory block
134 @param s New size in bytes
135 @return Returns a void pointer to the reallocated (and possibly moved) memory block
136 */
137 #ifdef ALLOC_PERF_OPT
138 void * OPJ_CALLCONV opj_realloc(void * m, size_t s);
139 #else
140 #define opj_realloc(m, s) realloc(m, s)
141 #endif
142  
143 /**
144 Deallocates or frees a memory block.
145 @param m Previously allocated memory block to be freed
146 */
147 #ifdef ALLOC_PERF_OPT
148 void OPJ_CALLCONV opj_free(void * m);
149 #else
150 #define opj_free(m) free(m)
151 #endif
152  
153 #ifdef __GNUC__
154 #pragma GCC poison malloc calloc realloc free
155 #endif
156  
157 /* ----------------------------------------------------------------------- */
158 /*@}*/
159  
160 /*@}*/
161  
162 #endif /* __OPJ_MALLOC_H */
163